21304348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21596132

約数列:

[1, 2, 4, 13, 23, 26, 46, 47, 52, 92, 94, 188, 299, 379, 598, 611, 758, 1081, 1196, 1222, 1516, 2162, 2444, 4324, 4927, 8717, 9854, 14053, 17434, 17813, 19708, 28106, 34868, 35626, 56212, 71252, 113321, 226642, 231569, 409699, 453284, 463138, 819398, 926276, 1638796, 5326087, 10652174, 21304348]

約数ペア:

[(1, 21304348), (2, 10652174), (4, 5326087), (13, 1638796), (23, 926276), (26, 819398), (46, 463138), (47, 453284), (52, 409699), (92, 231569), (94, 226642), (188, 113321), (299, 71252), (379, 56212), (598, 35626), (611, 34868), (758, 28106), (1081, 19708), (1196, 17813), (1222, 17434), (1516, 14053), (2162, 9854), (2444, 8717), (4324, 4927)]